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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Liability for unrecognized tax benefits	$ 68,602	$ 68,214
Unrecognized tax benefits that would impact effective tax rate	64,356
Increase in liability for unrecognized tax benefits	388
Accrued interest and penalties related to unrecognized tax benefits, net of federal tax benefits	$ 15,249	$ 14,428

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Amount of unrecognized tax benefits.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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-Name Accounting Standards Codification
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